61.4850°N, 21.7970°E.
Pori Jatulintarha is a prehistoric or medieval stone-formation labyrinth in Satakunta, Finland. The design is a classical baltic layout with 7 circuits, 8 walls, built of stone. Documented age: 15th-16th century (15th-16th century). Current condition: intact. A Jatulintarha stone labyrinth near Pori on Finland's west coast, at the mouth of the Kokemäenjoki — Finland's most important salmon river historically. Pori was founded in 1558 and rebuilt repeatedly after devastating fires. Documentation sources: Kraft 1983. The labyrinth pattern occurs nowhere in nature; every documented instance traces back to a human hand. The labyrinth is one of several hundred sites of this type catalogued globally; each preserves the same unicursal walking-pattern with regional variation in scale, material, and date.
The labyrinth tradition spans at least 4,000 years of documented practice across northern Europe, the Mediterranean, the British Isles, North America, and the Indian subcontinent.